public async void UpdateRecentProjectList()
{
StorageFile myFile;
string token = "";
var mruList = StorageApplicationPermissions.MostRecentlyUsedList;
//mruList.Clear();
AccessListEntryView entries = mruList.Entries;
if (entries.Count() > 0)
{
foreach (AccessListEntry entry in entries)
{
token = entry.Token;
try
{
myFile = await mruList.GetFileAsync(token);
ProjectsList.Add(new RecentProject()
{
FileName = myFile.Name, FileToken = token
});
}
catch (FileNotFoundException)
{
mruList.Remove(token);
}
}
}
}
private void ShowListButton_Click(object sender, RoutedEventArgs e)
{
StorageFile file = rootPage.sampleFile;
if (file != null)
{
if (MRURadioButton.IsChecked.Value)
{
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
if (entries.Count > 0)
{
StringBuilder outputText = new StringBuilder("The MRU list contains the following item(s):");
foreach (AccessListEntry entry in entries)
{
outputText.AppendLine();
outputText.Append(entry.Metadata); // Application previously chose to store file.Name in this field
}
rootPage.NotifyUser(outputText.ToString(), NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser("The MRU list is empty, please select 'Most Recently Used' list and click 'Add to List' to add a file to the MRU list.", NotifyType.ErrorMessage);
}
}
else if (FALRadioButton.IsChecked.Value)
{
AccessListEntryView entries = StorageApplicationPermissions.FutureAccessList.Entries;
if (entries.Count > 0)
{
StringBuilder outputText = new StringBuilder("The FAL list contains the following item(s):");
foreach (AccessListEntry entry in entries)
{
outputText.AppendLine();
outputText.Append(entry.Metadata); // Application previously chose to store file.Name in this field
}
rootPage.NotifyUser(outputText.ToString(), NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser("The FAL list is empty, please select 'Future Access List' list and click 'Add to List' to add a file to the FAL list.", NotifyType.ErrorMessage);
}
}
}
else
{
rootPage.NotifyUserFileNotExist();
}
}
private void DeleteItem_Click(object sender, RoutedEventArgs e)
{
// https://stackoverflow.com/questions/34445579/how-to-get-listview-item-content-on-righttapped-event-of-an-universal-windows-ap
AccessListEntry entry = (AccessListEntry)((FrameworkElement)e.OriginalSource).DataContext;
string token = entry.Token;
// Remove from MRU
// https://docs.microsoft.com/en-us/windows/uwp/files/how-to-track-recently-used-files-and-folders
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
mru.Remove(token);
MruList.ItemsSource = null;
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
MruList.ItemsSource = mruView;
}
private async void MruList_Tapped(object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e)
{
if ((sender as ListView).SelectedItem == null)
{
return;
}
AccessListEntry entry = (AccessListEntry)(sender as ListView).SelectedItem;
string token = entry.Token;
try
{
StorageFile file = await StorageApplicationPermissions.MostRecentlyUsedList.GetItemAsync(token) as StorageFile;
if (file != null)
{
Frame rootFrame = Window.Current.Content as Frame;
rootFrame.Navigate(typeof(MailPage), file);
// Add to MRU
// https://docs.microsoft.com/en-us/windows/uwp/files/how-to-track-recently-used-files-and-folders
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
string mruToken = mru.Add(file, file.Name);
MruList.ItemsSource = null;
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
MruList.ItemsSource = mruView;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
ContentDialog dlg = new ContentDialog()
{
Title = $"\"{entry.Metadata}\" is not available", Content = "Selected file may be moved/renamed/deleted.", CloseButtonText = "OK"
};
_ = dlg.ShowAsync();
// Remove from MRU
// https://docs.microsoft.com/en-us/windows/uwp/files/how-to-track-recently-used-files-and-folders
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
mru.Remove(token);
MruList.ItemsSource = null;
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
MruList.ItemsSource = mruView;
}
}
async internal void checkMRU()
{
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
StringBuilder outputText = new StringBuilder("The MRU list contains the following items:\n\n");
foreach (AccessListEntry entry in entries)
{
try
{
StorageFile storageFile = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(entry.Token);
outputText.Append(storageFile.DisplayName + "\n");
}
catch { }
}
this.txtContent.Text += outputText.ToString();
}
private async void OpenWindowButton_Click(object sender, RoutedEventArgs e)
{
// https://stackoverflow.com/questions/34445579/how-to-get-listview-item-content-on-righttapped-event-of-an-universal-windows-ap
AccessListEntry entry = (AccessListEntry)((FrameworkElement)e.OriginalSource).DataContext;
string token = entry.Token;
try
{
StorageFile file = await StorageApplicationPermissions.MostRecentlyUsedList.GetItemAsync(token) as StorageFile;
if (file != null)
{
// Open file on this app
var options = new LauncherOptions();
options.TargetApplicationPackageFamilyName = Package.Current.Id.FamilyName;
await Launcher.LaunchFileAsync(file, options);
// Add to MRU
// https://docs.microsoft.com/en-us/windows/uwp/files/how-to-track-recently-used-files-and-folders
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
string mruToken = mru.Add(file, file.Name);
MruList.ItemsSource = null;
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
MruList.ItemsSource = mruView;
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
ContentDialog dlg = new ContentDialog()
{
Title = $"\"{entry.Metadata}\" is not available", Content = "Selected file may be moved/renamed/deleted.", CloseButtonText = "OK"
};
_ = dlg.ShowAsync();
// Remove from MRU
// https://docs.microsoft.com/en-us/windows/uwp/files/how-to-track-recently-used-files-and-folders
var mru = StorageApplicationPermissions.MostRecentlyUsedList;
mru.Remove(token);
MruList.ItemsSource = null;
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
MruList.ItemsSource = mruView;
}
}
private void ShowListButton_Click(object sender, RoutedEventArgs e)
{
rootPage.ResetScenarioOutput(OutputTextBlock);
StorageFile file = rootPage.sampleFile;
if (file != null)
{
if (MRURadioButton.IsChecked.Value)
{
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
if (entries.Count > 0)
{
StringBuilder outputText = new StringBuilder("The MRU list contains the following item(s):" + Environment.NewLine + Environment.NewLine);
foreach (AccessListEntry entry in entries)
{
outputText.AppendLine(entry.Metadata); // Application previously chose to store file.Name in this field
}
OutputTextBlock.Text = outputText.ToString();
}
else
{
OutputTextBlock.Text = "The MRU list is empty, please select 'Most Recently Used' list and click 'Add to List' to add a file to the MRU list.";
}
}
else if (FALRadioButton.IsChecked.Value)
{
AccessListEntryView entries = StorageApplicationPermissions.FutureAccessList.Entries;
if (entries.Count > 0)
{
StringBuilder outputText = new StringBuilder("The FAL list contains the following item(s):" + Environment.NewLine + Environment.NewLine);
foreach (AccessListEntry entry in entries)
{
outputText.AppendLine(entry.Metadata); // Application previously chose to store file.Name in this field
}
OutputTextBlock.Text = outputText.ToString();
}
else
{
OutputTextBlock.Text = "The FAL list is empty, please select 'Future Access List' list and click 'Add to List' to add a file to the FAL list.";
}
}
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
// Remove ads if purchased
if (App.licenseInformation.ProductLicenses["removedAds"].IsActive)
{
RemoveAds();
}
// Show most recent files
mruFiles = new ObservableCollection <RecentFile>();
AccessListEntryView mruEntries = null;
if ((bool)App.AppSettings[App.SHOW_RECENT_FILES])
{
mruEntries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
}
// If no recent file
if (mruEntries == null || mruEntries.Count == 0)
{
this.recentFileTitle.Text = "No Recent File.";
this.OpenNew.Content = "Open a File...";
AppEventSource.Log.Debug("MainPage: No recent file found.");
}
else
{
// Show a list of recent used file
for (int i = 0; i < mruEntries.Count; i++)
{
AccessListEntry entry = mruEntries[i];
RecentFile file = new RecentFile(entry.Token);
string[] split = entry.Metadata.Split(new string[] { MRU_DELIMITER }, 2, StringSplitOptions.RemoveEmptyEntries);
file.Filename = split[0];
file.LastAccessTime = Convert.ToDateTime(split[1]);
file.Identifier = PREFIX_RECENT_FILE + i.ToString();
mruFiles.Add(file);
if (i == 10)
{
break;
}
}
this.RecentFileList.DataContext = mruFiles;
AppEventSource.Log.Debug("MainPage: Recent files added.");
}
}
private async void btnGetMostRecentlyUsedList_Click(object sender, RoutedEventArgs e)
{
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
if (entries.Count > 0)
{
// 通过 token 值，从“最近访问列表”中获取文件对象
AccessListEntry entry = entries[0];
StorageFile storageFile = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(entry.Token);
string textContent = await FileIO.ReadTextAsync(storageFile);
lblMsg.Text = "MostRecentlyUsedList 的第一个文件的文本内容：" + textContent;
}
else
{
lblMsg.Text = "最近访问列表中无数据";
}
}
public async void getRecentFiles()
{
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
//存放得到的recent歌曲
songs = new ObservableCollection <Song>();
if (entries.Count > 0)
{
songs.Clear();
foreach (AccessListEntry entry in entries)
{
StorageFile file = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(entry.Token);
Song s = await file.ToSong();
songs.Add(s);
}
}
}
public static List <string> GetTokenList(DataType type)
{
AccessListEntryView entries = getEntryFromType(type);
List <string> resultList;
if (type == DataType.Latest)
{
resultList = entries.OrderByDescending(entry => entry.Metadata)
.Select(entry => entry.Token)
.ToList();
}
else
{
resultList = entries.Where(entry => entry.Metadata == type.ToString())
.Select(entry => entry.Token)
.ToList();
}
return(resultList);
}
public static void RemoveAll(DataType type)
{
AccessListEntryView entries = getEntryFromType(type);
if (type == DataType.Latest)
{
foreach (AccessListEntry entry in entries)
{
StorageApplicationPermissions.MostRecentlyUsedList.Remove(entry.Token);
}
}
else
{
AccessListEntry[] filterList = entries.Where(entry => entry.Metadata == type.ToString()).ToArray();
foreach (AccessListEntry entry in filterList)
{
StorageApplicationPermissions.FutureAccessList.Remove(entry.Token);
}
}
}
async public Task init(int numToLoad)
{
page.LoadingTxt.Visibility = Windows.UI.Xaml.Visibility.Visible;
//Create the collection
NotepadItem item;
//Iterate through MRU list
AccessListEntryView entries = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
ItemCount = 0;
foreach (AccessListEntry entry in entries)
{
try
{
item = new NotepadItem();
StorageFile storageFile = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(entry.Token);
item.Title = storageFile.DisplayName;
item.Token = entry.Token;
if (ItemCount < numToLoad && item.Title != "")
{
Collection.Add(item);
ItemCount++;
}
//item.FileName = storageFile.Path;
IRandomAccessStream txtStream = await storageFile.OpenAsync(FileAccessMode.Read);
IInputStream readStream = txtStream.GetInputStreamAt(0);
DataReader reader = new DataReader(readStream);
uint numBytesLoaded = await reader.LoadAsync((uint)txtStream.Size);
if (numBytesLoaded > 25)
{
numBytesLoaded = 25;
}
item.FileName = reader.ReadString(numBytesLoaded) + "...";
}
catch
{
//int i = 0;
}
}
page.LoadingTxt.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
page.RefreshGridView();
//iterate through each of them again to reset the list
ItemCount = 0;
AccessListEntryView entries2 = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
foreach (AccessListEntry entry in entries2)
{
try
{
if (ItemCount < numToLoad)
{
ItemCount++; //need to do this to keep the count the same
}
StorageFile storageFile = await StorageApplicationPermissions.MostRecentlyUsedList.GetFileAsync(entry.Token);
}
catch { }
}
}
public MainPage()
{
this.InitializeComponent();
mruView = StorageApplicationPermissions.MostRecentlyUsedList.Entries;
}
